Finding the Fourth Proportional to 981,693,339.86, 1,354,735,866.21 and 541,660,213.46
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Solution
The fourth proportional to 981,693,339.86, 1,354,735,866.21 and 541,660,213.46 is: 747,490,574.38
Step by Step Solution
- Step 1: Write the proportion equation
981,693,339.86 : 1,354,735,866.21 = 541,660,213.46 : x - Step 2: Convert to fraction form
981,693,339.86/1,354,735,866.21 = 541,660,213.46/x - Step 3: Cross multiply
981,693,339.86x = 1,354,735,866.21 × 541,660,213.46 - Step 4: Simplify right side
981,693,339.86x = 733,806,518,473,226,624 - Step 5: Solve for x
x = 733,806,518,473,226,624/981,693,339.86 - Step 6: Final answer
x = 747,490,574.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.